Question about 1991 Jeep Wrangler

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Vacuum lines for 4 wheel drive

My husband has a 93 Jeep Wrangler and he can't get it into 4 wheel drive. Where do you check for the vacuum lines and what do they look like?

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If you look under the Jeep on the passenger side of the front axle you will see a vacume mod its kind of round shaped it should have a vacume plug on it wit ha few hoses going into it make sure its plugged in for starters these come off all the time if it looks good here simply follow the lines into the engine compartment and look for broken hose this should get you a fix most of the time, the mod could be defective but not likely.

Posted on Nov 28, 2008


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Diagram for 87 yj vacuum lines for 4 wheel

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1987 Jeep YJ [Wrangler] so owner ship says''

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